72084708681 has 8 divisors (see below), whose sum is σ = 96115069344. Its totient is φ = 48055410240.

The previous prime is 72084708601. The next prime is 72084708713. The reversal of 72084708681 is 18680748027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72084708681 - 2⁹ = 72084708169 is a prime.

It is a super-2 number, since 2×72084708681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72084708601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90775 + ... + 390396.

It is an arithmetic number, because the mean of its divisors is an integer number (12014383668).

Almost surely, 2^72084708681 is an apocalyptic number.

It is an amenable number.

72084708681 is a deficient number, since it is larger than the sum of its proper divisors (24030360663).

72084708681 is a wasteful number, since it uses less digits than its factorization.

72084708681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531111.

The product of its (nonzero) digits is 1204224, while the sum is 51.

The spelling of 72084708681 in words is "seventy-two billion, eighty-four million, seven hundred eight thousand, six hundred eighty-one".